CD274 and gastric carcinoma: Through further univariate analysis of tumoral PD-L1 status combined with each line of TILs, tumoral PD-L1(+)/FOXP3+/low TILs revealed a worse clinical outcome (Fig. 4 and Supplemental Table 4); however, tumor stage (pTNM) was the only independent prognostic factor in EBV-positive gastric carcinomas.